已知函数
,证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8374736d300dcf2ca4426993fb5d1296.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81ed7f6a4475e0fa682fa81ee747da3.png)
2024高三·全国·专题练习 查看更多[1]
(已下线)专题03 利用导数证明不等式(四大题型)
更新时间:2024-05-23 09:30:24
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相似题推荐
解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】求函数
的极值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68003aecbd5929629792dc71443b85da.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1909da47d33285ff7a0a8612968e439f.png)
(Ⅰ)讨论它的单调性;
(Ⅱ)求出该函数的极值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1909da47d33285ff7a0a8612968e439f.png)
(Ⅰ)讨论它的单调性;
(Ⅱ)求出该函数的极值.
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8c43017ed69225c2675214612efaa52.png)
(1)若
,求函数
的最小值;
(2)若关于
的方程
有三个实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8c43017ed69225c2675214612efaa52.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538193a4717d564c01145e82314c2d1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d375b85fd63202b9e0e24aa6882791a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解答题-问答题
|
适中
(0.65)
名校
【推荐2】已知函数
.
(1)讨论
的单调性;
(2)设
,若
存在两个极值点
,
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/174064b3046a6d87ce47866928ad2ee3.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778e99eda1a477d18883577f8f969da8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c2dc42f7622717d6eb5d1c66b7469d3.png)
您最近一年使用:0次
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适中
(0.65)
名校
【推荐3】已知函数
,
.
(1)讨论
的单调性;
(2)若
,试判断函数
与
的图象的交点个数,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e4435a70905b105d5eb709f38c006ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8da208132c56cf53ce7f4d0985582c6.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】设函数
.
(1)设
是
的极值点,求
,并讨论
的单调性;
(2)若
,证明:在区间
内,
存在唯一的极小值点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c35c7e4144f417a28adea4d80fb45bc.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/368e657d8ad0fd9b14b21db3f7369a7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f436566ce8c86fda35b85bd3c26683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2367b48e8f6dbbfe3dd14f6eab8238a5.png)
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解答题-证明题
|
适中
(0.65)
解题方法
【推荐2】已知函数
,
.
(1)当
时,求函数
的最大值;
(2)设
,当
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54ab2ab03be596b8b6ad32cf52f82169.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5243424a44ba42c89c7f05fe6c271466.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a13d763b70cb11b3ae10f8595e3b2d9.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/779b28641c18eacbceca96d4e4ad9710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a991db8d21af2633408ad47e6f94706c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0da10b9159cf2bd23003063cebddb70e.png)
您最近一年使用:0次